Techniques for managing a plurality of radio access technologies accessing a shared radio frequency spectrum band
First Claim
1. A method for wireless communication, comprising:
- determining, by a first device associated with a first radio access technology (RAT), that a shared radio frequency spectrum is shared with a second device of a second RAT;
determining, based at least in part on the determination that the shared radio frequency spectrum is shared, an energy detection threshold for a clear channel assessment (CCA);
identifying a number of CCA slots for which the shared radio frequency spectrum is available before the first device accesses the shared radio frequency spectrum; and
performing the CCA using the determined energy detection threshold and the identified number of CCA slots.
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Abstract
Techniques are described for wireless communication. A first method includes sensing an indication of first radio access technology (RAT) communications occupying a shared radio frequency spectrum band; and configuring, in response to the sensing, at least one parameter of a second RAT used by a device to contend for access to the band. A second method includes randomly selecting a number from a range of numbers extending between a lower bound and an upper bound; contending for access to a shared radio frequency spectrum band by performing an extended clear channel assessment (ECCA) procedure over a plurality of CCA slots, the plurality of CCA slots including a first number of CCA slots equal to the upper bound; and winning contention for access to the band after determining, while performing the ECCA procedure, that the band is available for a second number of CCA slots equal to the randomly selected number.
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Citations
28 Claims
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1. A method for wireless communication, comprising:
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determining, by a first device associated with a first radio access technology (RAT), that a shared radio frequency spectrum is shared with a second device of a second RAT; determining, based at least in part on the determination that the shared radio frequency spectrum is shared, an energy detection threshold for a clear channel assessment (CCA); identifying a number of CCA slots for which the shared radio frequency spectrum is available before the first device accesses the shared radio frequency spectrum; and performing the CCA using the determined energy detection threshold and the identified number of CCA slots. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. An apparatus for wireless communication, comprising:
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a processor, memory coupled to the processor; and instructions stored in the memory and executable by the processor to cause the apparatus to; determine, by a first device associated with a first radio access technology (RAT), that a shared radio frequency spectrum is shared with a second device of a second RAT; determine, based at least in part on the determination that the shared radio frequency spectrum is shared, an energy detection threshold for a clear channel assessment (CCA); identify a number of CCA slots for which the shared radio frequency spectrum is available before the first device accesses the shared radio frequency spectrum; and perform the CCA using the determined energy detection threshold and the identified number of CCA slots. - View Dependent Claims (21, 22, 23, 24, 25, 26)
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27. An apparatus for wireless communication, comprising:
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means for determining, by a first device associated with a first radio access technology (RAT), that a shared radio frequency spectrum is shared with a second device of a second RAT; means for determining, based at least in part on the determination that the shared radio frequency spectrum is shared, an energy detection threshold for a clear channel assessment (CCA); means for identifying a number of CCA slots for which the shared radio frequency spectrum is available before the first device accesses the shared radio frequency spectrum; and means for performing the CCA using the determined energy detection threshold and the identified number of CCA slots.
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28. A non-transitory computer readable medium storing code for wireless communication, the code comprising instructions executable by a processor to:
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determine, by a first device associated with a first radio access technology (RAT), that a shared radio frequency spectrum is shared with a second device of a second RAT; determine, based at least in part on the determination that the shared radio frequency spectrum is shared, an energy detection threshold for a clear channel assessment (CCA); identify a number of CCA slots for which the shared radio frequency spectrum is available before the first device accesses the shared radio frequency spectrum; and perform the CCA using the determined energy detection threshold and the identified number of CCA slots.
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Specification